Heroku H13錯誤一種解決方法？

Question

我在Heroku上運行的應用程序，有時這種錯誤出現：

2012-10-03T17:01:32+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in `call' 
2012-10-03T17:01:32+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/rack-protection-1.2.0/lib/rack/protection/path_traversal.rb:16:in `call' 
2012-10-03T17:01:32+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/rack-protection-1.2.0/lib/rack/protection/json_csrf.rb:17:in `call' 
2012-10-03T17:01:32+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/rack-protection-1.2.0/lib/rack/protection/base.rb:47:in `call' 
2012-10-03T17:01:32+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/rack-protection-1.2.0/lib/rack/protection/xss_header.rb:22:in `call' 
2012-10-03T17:01:32+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/logger.rb:15:in `call' 
2012-10-03T17:01:32+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/commonlogger.rb:20:in `call' 
2012-10-03T17:01:32+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/head.rb:9:in `call' 
2012-10-03T17:01:32+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/methodoverride.rb:21:in `call' 
2012-10-03T17:01:32+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/sinatra-1.3.2/lib/sinatra/base.rb:1334:in `block in call' 
2012-10-03T17:01:32+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/sinatra-1.3.2/lib/sinatra/base.rb:1416:in `synchronize' 
2012-10-03T17:01:32+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/sinatra- 1.3.2/lib/sinatra/base.rb:1334:in `call' 
2012-10-03T17:01:32+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/rack-1.4.1/lib/rack/commonlogger.rb:20:in `call' 
2012-10-03T17:01:32+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/thin-1.4.1/lib/thin/connection.rb:80:in `block in pre_process' 
2012-10-03T17:01:32+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/thin-1.4.1/lib/thin/connection.rb:78:in `catch' 
2012-10-03T17:01:32+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/thin-1.4.1/lib/thin/connection.rb:78:in `pre_process' 
2012-10-03T17:01:32+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/thin-1.4.1/lib/thin/connection.rb:53:in `process' 
2012-10-03T17:01:32+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/thin-1.4.1/lib/thin/connection.rb:38:in `receive_data' 
2012-10-03T17:01:32+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in `run_machine' 
2012-10-03T17:01:32+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/eventmachine-0.12.10/lib/eventmachine.rb:256:in `run' 
2012-10-03T17:01:32+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/thin-1.4.1/lib/thin/backends/base.rb:63:in `start' 
2012-10-03T17:01:32+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/thin-1.4.1/lib/thin/server.rb:159:in `start' 
2012-10-03T17:01:32+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/thin-1.4.1/lib/thin/controllers/controller.rb:86:in `start' 
2012-10-03T17:01:32+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/thin-1.4.1/lib/thin/runner.rb:185:in `run_command' 
2012-10-03T17:01:32+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/thin-1.4.1/lib/thin/runner.rb:151:in `run!' 
2012-10-03T17:01:32+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/gems/thin-1.4.1/bin/thin:6:in `<top (required)>' 
2012-10-03T17:01:32+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/bin/thin:19:in `load' 
2012-10-03T17:01:32+00:00 app[web.1]: /app/vendor/bundle/ruby/1.9.1/bin/thin:19:in `<main>' 

所以，我該怎麼辦？ ...

編輯：添加的Gemfile

source :rubygems 

# use Heroku Toolbelt instead 
# gem "heroku" 

# sinatra main library 
gem "sinatra" 

# sinatra plugin for localization 
gem "sinatra-r18n" 

gem "resolv-ipv6favor" 

# Json 
gem "json" 

# rack middleware csrf protection 
gem "rack_csrf" 

# database handler | orm 
gem "pg" 
gem "sequel" 
gem "sequel_sluggable" 

gem "unicode_utils" 
gem "sanitize" 
gem "fog" 
gem "mail" 
gem "thin" 

# Full system log 
gem 'remote_syslog_logger' 

group :development do 
    gem "awesome_print" 
    gem "sinatra-reloader" 
    gem "sqlite3" 
end 

Answer 1

我提供了一個答案，類似的問題可能會有所幫助。

Heroku router errors H13 logged by LogEntries